On Aug 25, 7:47*am, Bob Kuykendall wrote:
On Aug 24, 9:21*pm, guy wrote:

...Then, I bought the Butler vent and had it installed. *It is installed
on the top of fuselage just behind the canopy. *WOW. *I can feel air
moving past my ears while flying...

Huh. So, exhausting air into the low pressure area above the wings
works better than trying to exhaust it into the high pressure area
below the wings. Who'd'a thunk it?

Thanks, Bob K.

Ahh, the mysteries of life..... ;-P